# SAJ vs NS Walker

The clearest difference is update cadence: NS Walker at every 2 months against SAJ's every 12 months. SAJ's advantage is iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SAJ ships an update every 12 months, NS Walker every 2 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SAJ | NS Walker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ns-walker/id1308429177/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 69 MB | 81 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAJ Instrument Ab](https://appshunter.io/developer/962246290) | [Nordsense Inc.](https://appshunter.io/developer/1308429176) |

## What reviewers say

### SAJ

[App page](https://appshunter.io/ios/app/saj-dms-mobile/id962279584)

**Features:** macOS Compatibility

**In-app purchases:** none


### NS Walker

[App page](https://appshunter.io/ios/app/ns-walker/id1308429177)

This utility app simplifies the process of installing sensors. It provides a streamlined interface for managing sensor installations, making the setup process more efficient for users.

**Highlights:** Facilitates sensor installations, Streamlined installation process, Sensor management interface, Efficient setup

**In-app purchases:** none


## Frequently asked questions

### Is SAJ free?

SAJ is free to download, with no in-app purchases.

### Is NS Walker free?

NS Walker is free to download, with no in-app purchases.

### Do SAJ or NS Walker have ads?

Neither SAJ nor NS Walker shows ads.

### Which is updated more often, SAJ or NS Walker?

SAJ ships an update every 12 months, and NS Walker every 2 months. Most recently, SAJ was updated on October 7, 2026 and NS Walker on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*